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Product Detailed Parameters
- Description：OPTOISO 3.75KV 1CH TRANS 4-SOP
- Series：NEPOC
- Mfr：CEL
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：50% @ 5mA
- Current Transfer Ratio (Max)：150% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：10µs, 10µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：120V
- Current - Output / Channel：30mA
- Voltage - Forward (Vf) (Typ)：1.1V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：300mV
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SOP
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Overview
The PS2703-1-F3-M-A is a single-channel optically coupled isolator manufactured by CEL. It integrates a Gallium Arsenide (GaAs) infrared light-emitting diode with an NPN silicon phototransistor within a plastic Small Outline Package (SOP). The device provides high isolation voltage of 3750Vrms between input and output circuits. Key electrical parameters include a maximum collector-emitter voltage of 120V, a continuous output current of 30mA per channel, and a typical forward voltage of 1.1V. The component supports DC input signals and features a typical rise and fall time of 10µs.
Feature Summary
- Optical signal transmission using GaAs LED and NPN phototransistor for galvanic isolation
- High isolation voltage rating of 3750Vrms ensuring circuit safety
- Compact plastic SOP package design suitable for surface mount applications
Applications
- Industrial control systems requiring signal isolation
- Power supply feedback loops
- Communication interface isolation
Procurement Notes
Verify the specific suffix 'F3-M-A' against official CEL documentation to confirm tape and reel packaging specifications and compliance standards. Ensure the procurement source provides valid datasheets matching the Renesas/CEL lineage. Confirm that the received components match the exact part number to avoid substitution errors in isolation requirements.
Selection Notes
Select this component when a single-channel isolated switch is required with moderate speed and high voltage blocking capability. The 120V output voltage rating suits low-voltage digital logic interfacing. Consider the 10µs switching speed for applications not requiring high-frequency operation. Verify that the SOP package dimensions fit the target PCB layout constraints.
Part Context
This part belongs to the PS2703 series of optocouplers, which are widely used for general-purpose isolation. The PS2703-1 variant specifically denotes a single-channel configuration. The series is known for combining standard transistor outputs with reliable LED drivers in compact packages, serving as a bridge between different voltage domains in electronic circuits.
Replacement Considerations
Direct substitutes may include other single-channel NPN phototransistor optocouplers with similar 120V Vceo and >3kV isolation ratings. Verify pinout compatibility and package dimensions before replacement. Cross-reference with NEC/Renesas original equivalents if available.
